The Blue Steel knife is custom-made This Blue Steel Ballistic Quality Folding Knife is laser engraved on the front along with your name or message. Blade length: 3.25"; closed length: 4.5" Enter your typeface and name/wording to be laser imprinted on your knife by clicking the customize now button. Please be careful while inputting your message since everything you type here will be printed on the goods. On the front, there is 2 line of complimentary engraving with up to 20 characters per line. We will tell you through email if there is a problem with your correspondence or order. A low-cost, dependable, high-quality HIgh Steel of high quality, with carbon and somewhat less nickel for toughness and edge retention. Blue Steel precision heat treated on steel takes and keeps an edge well and has a high wear resistance that can tolerate abrasive and adhesive wear. The black oxide coating is a chemical bath or conversion coating that changes the blade steel's surface to magnetite. Black oxide is mostly used for aesthetic purposes, although it also provides modest corrosion protection and reduces light reflection from the blade. Blue Steel's unique mechanism offers smooth, secure, and rapid one-handed blade deployment by using a torsion bar to move the blade out of the handle.